CN103370257B - Cover at the bottom of vehicle body - Google Patents

Cover at the bottom of vehicle body Download PDF

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Publication number
CN103370257B
CN103370257B CN201180067068.6A CN201180067068A CN103370257B CN 103370257 B CN103370257 B CN 103370257B CN 201180067068 A CN201180067068 A CN 201180067068A CN 103370257 B CN103370257 B CN 103370257B
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CN
China
Prior art keywords
vehicle body
main body
cover main
trailing wheel
vehicle
Prior art date
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Active
Application number
CN201180067068.6A
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Chinese (zh)
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CN103370257A (en
Inventor
松山升平
中村大辅
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
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Publication of CN103370257A publication Critical patent/CN103370257A/en
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Publication of CN103370257B publication Critical patent/CN103370257B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D35/00Vehicle bodies characterised by streamlining
    • B62D35/02Streamlining the undersurfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/82Elements for improving aerodynamics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

Cover at the bottom of a kind of vehicle body, when observing along vehicle forward direction, be configured in the ratio trailing wheel of the vehicle body lower surface of vehicle position closer to the front and be configured at least latter half of described vehicle body lower surface, the face relative with road surface of end cover main body is formed the groove portion of the concavity of configuration in pairs, this groove portion with along with trending towards the rear of described vehicle forward direction and close to each other gradually and paired mode configures across overall width direction central authorities, points to described overall width direction central authorities between the described trailing wheel that left and right is pointed in respective rear end, these groove portions.

Description

Cover at the bottom of vehicle body
Technical field
The present invention relates at the bottom of vehicle body and cover.
The Japanese Patent Application 2011-032413 CLAIM OF PRIORITY that the application filed an application to Japan based on February 17th, 2011, and here cite its content.
Background technology
In the vehicles such as automobile, there is the vehicle being provided with end cover in order to improve aerodynamic characteristics at vehicle body lower surface.Such as, in order to make the air-flow Dynamic stability of body bottom panel bottom, end cover has to the outstanding rectifying wings in the below of body bottom panel bottom, and it is thick that this rectifying wings has the wing on overall width direction, and is arranged on the base plate bottom (with reference to patent documentation 1) formed in the mode raised at trailing wheel rear.
In addition, there is following structure: in the base plate bottom in trailing wheel front, in order to alleviate the collision at the air-flow of base plate lower flow and the sprung parts at rear, the front side of sprung parts is provided with rectification protrusion, wherein, the air-flow of rectification protrusion to the back side flowing of covering the end of at carries out rectification to make it in more lower position flowing (with reference to patent documentation 2).
Prior art document
Patent documentation
Patent documentation 1: Japanese Laid-Open 2009-90681 publication
Patent documentation 2: Japanese Laid-Open 2008-265677 publication
Summary of the invention
But, in the prior art of the former and the latter, there is following technical task: the below of covering the end of to due to rectifying wings and rectification protrusion is outstanding, so road clearance must be set between the leading section of this rectifying wings and rectification protrusion and road surface, can not interfere with road surface to make this outstanding part, its result is, the distance on end cover main body and road surface becomes far, unfavorable in the flow velocity improving the overall lower surface of cover.
If reduce the height of cover main body, then there is rectifying wings and rectification protrusion and road surface and interfere and the hidden danger of breakage.
Therefore, the object of the present invention is to provide at the bottom of a kind of vehicle body and cover, end cover main body can be configured in lower position, and the problem that rectifier cell and road surface interfere can be eliminated.
(1) to achieve these goals, a scheme of the present invention is cover at the bottom of a kind of vehicle body, when observing along vehicle forward direction, be configured in the position that the ratio trailing wheel of the vehicle body lower surface of vehicle is closer to the front, and be configured at least latter half of above-mentioned vehicle body lower surface, the face relative with road surface of end cover main body is formed the groove portion of the concavity of configuration in pairs, this groove portion is configured to, along with trending towards the rear of above-mentioned vehicle forward direction and close to each other gradually, and across overall width direction central authorities in pairs, point to above-mentioned overall width direction central authorities between the above-mentioned trailing wheel that left and right is pointed in respective rear end, these groove portions.
(2) in the scheme of above-mentioned (1), also can be, the face relative with above-mentioned road surface of cover main body of the above-mentioned end is formed with recess in the anterior position of above-mentioned trailing wheel, and the rear wall of this recess is formed in the mode of the outer peripheral face along above-mentioned trailing wheel.
(3) in the scheme of above-mentioned (1) or (2), also can be, cover main body of the above-mentioned end be bent to form in the mode of upside projection from the front of above-mentioned vehicle body towards rear.
(4) in the either a program of above-mentioned (1) ~ (3), also can be, cover main body of the above-mentioned end is connected with the smooth bottom panel of first half of above-mentioned vehicle body lower surface in the front being arranged on above-mentioned trailing wheel, and is arranged on the latter half of the above-mentioned vehicle body lower surface in the front of above-mentioned trailing wheel.
(5) in the either a program of above-mentioned (1) ~ (4), also can be, at the above-mentioned end, the external side end of cover main body be formed with concavity portion, and the diapire in this concavity portion is fixed on as fixed part on the lower longeron of above-mentioned vehicle.
Invention effect
According to the scheme of above-mentioned (1), make common except groove portion of the face relative with road surface of end cover main body with road surface close to and rectification is carried out to air-flow, air-flow is made to flow in the groove portion of concavity contracted flow between the trailing wheel of left and right, thereby, it is possible to reduce the air resistance of vehicle.Now, due to except end cover main body without the need to setting the male part etc. of rectification separately, so common of end cover main body can be reduced.Thereby, it is possible to prevent the damaged flow velocity also improving the air flowed between end cover main body and ground of end cover main body, therefore, it is possible to reduce air resistance.
According to the scheme of above-mentioned (2), make the air-flow of common the flowing underneath in the face relative with road surface in end cover main body from recess via the rear wall of recess to trailing wheel flowing underneath, air-flow and trailing wheel front surface is avoided to collide, inhibit sinuous flow, thus can air resistance be reduced, therefore, it is possible to prevent the breakage of the recess more caved in than common face.
According to the scheme of above-mentioned (3), because end cover main body is bent to form in the mode of upside projection, so the part of deepening relative to degree of depth the past rear, direction on road surface can be formed, thus can wind effect be improved, and with depth down correspondingly make end cover main body and road surface close, thus rectification can be carried out to air-flow.
According to the scheme of above-mentioned (4), owing to end cover main body to be arranged on the latter half of the vehicle body lower surface in the front of trailing wheel, so compared with arranging the situation of end cover main body within the scope of whole of the downside at bottom panel, countermeasure can be completed with low cost.
According to the scheme of above-mentioned (5), because the part except the fixed part to lower longeron, part namely except the bottom in concavity portion can be reduced to common the position closer to ground than bottom panel, so can improve the flow velocity of air-flow, the reduction effect of air resistance improves.
Accompanying drawing explanation
Fig. 1 is the upward view of the vehicle body of embodiments of the present invention.
Fig. 2 is the local incised notch block diagram observed below left side of the back upper place of the main portion of above-mentioned embodiment.
Fig. 3 be the front upper place of the main portion of above-mentioned embodiment from the local incised notch block diagram that lower right-hand side is observed.
Fig. 4 is the cutaway view of the A-A line along Fig. 1.
Fig. 5 is the cutaway view of the B-B line along Fig. 1.
Fig. 6 is the local incised notch block diagram of the flowing representing the traveling wind obtained from oblique below observation Fig. 5.
Fig. 7 is the block diagrams of other flowings representing the traveling wind corresponding with Fig. 6.
Detailed description of the invention
Next, based on accompanying drawing, embodiments of the present invention are described.
As upward view as shown in Figure 1, body bottom panel has: the noseplate 1 of body forward structure; And the rear base plate 2 of the body tail to be connected with this noseplate 1.At the overall width direction central portion of noseplate 1, bloat along vehicle body fore-and-aft direction to upside and be formed with backplane channel portion 3.Lower longeron 4,4 as body framwork parts is installed in the both sides of noseplate 1.Lower longeron 4 consists of interior beam (insidesill) 5 and brace panel 6 and closes cross-sectional configuration, is bonded to outer panels 7 in the outside of lower longeron 4.
At this, in FIG, the right side of noseplate 1 shows interior beam 5, and the left side of noseplate 1 shows interior beam 5 and outer panels 7, and wherein, outer panels 7 is from outer side covers brace panel 6 described later and form vehicle body sidewall.
Be bonded to the instrument carrier panel lower faceplate 19 (with reference to Fig. 4) of upwards edge-on at the leading section of noseplate 1, be bonded to dashboard cross member 8 at noseplate 1 and the dorsal part of the connecting bridge of instrument carrier panel lower faceplate 19.Backplane channel portion 3 both sides and at the back side of noseplate 1, be bonded to the channel frame 9,9 of Cap-style Section shape along vehicle body fore-and-aft direction, formed between the channel frame 9,9 and noseplate 1 of Cap-style Section shape and close cross-sectional configuration.In addition, at the dorsal part in backplane channel portion 3, to be provided with passage strengthening part 10,11 along overall width direction across before and after the mode of channel frame 9,9.
The rear of the rearward end of noseplate 1 and the bonding part of rear base plate 2 raises, and at the dorsal part of this bonding part, is bonded to the centre cross member 12 being formed and close cross-sectional configuration within the scope of overall width direction.
At the back side of rear base plate 2, be configured with the Rear frame 13 of closing cross-sectional configuration along about vehicle body fore-and-aft direction.Rear frame 13,13 is arranged on than lower longeron 4,4 high positions with the configuration space narrower than the configuration space of lower longeron 4,4.Rear frame 13 is formed as trending towards front side along with anterior 13f and tilting laterally and roll tiltedly downwards, is bonded to the rear portion 4r of lower longeron 4 at the anterior 13f of this Rear frame 13.At this, be configured with Fuel Tank 14 in the lower front of the rear base plate 2 being configured at the position higher than noseplate 1.
In the front of vehicle body, along being provided with front side vehicle frame 15 about vehicle body fore-and-aft direction, be configured with front-wheel FW, FW in two sides of front side vehicle frame 15,15.In addition, Rear frame 13 is provided with subframe 17 from downside, this subframe 17 has the sprung parts 16 of trailing wheel RW, RW for supporting left and right.Bloat to downside at the rear portion of rear base plate 2 and be formed with spare wheel seat (sparetirepan) 18.
At this, between the passage strengthening part 10 and the passage strengthening part 11 of rear side of the front side from noseplate 1, (wheelbase center) is to the latter half of the vehicle body lower surface in the scope of the anterior position of the trailing wheel RW of rear base plate 2, namely in the front of trailing wheel RW, is provided with dividually at the bottom of a pair vehicle body integrally formed by resin covers 20,20 in the both sides in backplane channel portion 3.
At this, covering 20,20 at the bottom of the vehicle body of left and right is mutually roughly symmetrical shape, because functional configuration is identical, so in the following description, illustrates same section mark same reference numerals.
As shown in Figure 2, the external side end covering 20 at the bottom of vehicle body extends to the flange part 22 (with reference to Fig. 4) of the lower wall 21 at the rear portion of interior beam 5 nearby, near the Width central portion of arrival trailing wheel RW simultaneously.In addition, at the bottom of vehicle body, the medial extremity of cover 20 extends to the outer rim of the lower wall 25 of channel frame 9,9.
Cover 20 at the bottom of vehicle body and have end cover main body 26, this end cover main body 26 has common the smooth 26a be connected with the trailing edge of common the smooth 1a of noseplate 1.The face relative with road surface of end cover main body 26 is formed front groove portion 27 and the rear groove portion 28 of concavity, and this front groove portion 27 and rear groove portion 28 point to left and right trailing wheel RW gradually central portion ground, overall width direction along with trending towards vehicle forward direction rear extends obliquely.
Front groove portion 27 and rear groove portion 28 configure in parallel to each other, and the mode that respective rear end shoals gradually with the degree of depth of groove is connected with common 26a via rake 42,43.Front groove portion 27 is connected with common 26a by the broken line 44,45 extended along the longitudinal direction with the end edge in rear groove portion 28, and the mode opened outside side direction before the broken line 44 in front groove portion 27 is processed obliquely.
The front groove portion 27 of end cover main body 26 front portion and at the external side end of end cover main body 26, be provided with the recessed portion (concavity portion) 35 more caved in than front groove portion 27.In the front portion in the rear groove portion 28 of end cover main body 26, be provided with the recessed portion (concavity portion) 46 more caved in than rear groove portion 28.These recessed portions 35,46 towards sidewall, also allow the inflow of the air from side at the external side end of end cover main body 26.
Thus, each front groove portion 27 of cover 20 at the bottom of the vehicle body of pair of right and left and each rear groove portion 28 are configured to point to vehicle forward direction rear and point to the overall width direction central portion of the trailing wheel RW of left and right and close to each other.
At this, the reason that recessed portion 35 and recessed portion 46 cave in is, sidepiece due to noseplate 1 is tilted obliquely upward and engages (with reference to Fig. 4) with interior beam 5, so need to make the external side end of the end cover main body 26 be fixed by the lower wall 21 of interior beam 5 also corresponding with noseplate 1 as described later.Therefore, based on same cause, the external side end of the leading section of end cover main body 26 coordinates the sidepiece of noseplate 1 to cave in obliquely to the situation of tiltedly upside inclination.
At the rear in the rear groove portion 28 of end cover main body 26, on the face relative with road surface and in the anterior position of trailing wheel RW, recess 29 is hollowly formed from common 26a of end cover main body 26, wherein, the back of recess 29 is along the rear end of end cover main body 26, outer side edges is along the external side end of end cover main body 26, and inner side edge is slightly to inner side warpage and along rear groove portion 28.This recess 29 has the rear wall 30 formed in the mode of the outer peripheral face along trailing wheel RW.The diapire 32 of recess 29 is formed flatly.
Rearward flowed between trailing wheel RW, RW by front groove portion 27 and rear groove portion 28 at the air-flow of the downside of end cover main body 26 flowing, not along this front groove portion 27, rear groove portion 28 rearward flow and flow into air-flow in recess 29 along rear wall 30 downwards effluent move, can not collide with the front surface of trailing wheel RW.
In the front portion of the diapire 32 of the recess 29 of end cover main body 26, be provided with the fixed orifice 34 for being fixed on by bolt 33 by the rear outside end of end cover main body 26 on the lower wall 21 of interior beam 5.
As shown in Figure 3, Figure 4, at recessed portion 35 place of the front portion in the front groove portion 27 of end cover main body 26, diapire 36 is provided with the fixed orifice 38 for being fixed on by bolt 37 by the front outsides end of end cover main body 26 on the lower wall 21 of interior beam 5.
Like this, recessed portion 35, recess 29 is formed in concave shape at the external side end of end cover main body 26, the external side end of end cover main body 26 is fixed on the lower wall 21 of interior beam 5 respectively by bolt 37 and bolt 33, wherein, in the fixed orifice 38 that bolt 37 interts on the diapire 36 being formed at recessed portion 35, in the fixed orifice 34 that bolt 33 interts on the diapire 32 being formed at recess 29.
In addition, end cover main body 26 medial extremity and at vehicle body fore-and-aft direction central portion, be provided with the fixed orifice 41 for end cover main body 26 being fixed on by bolt 40 on the lower wall 25 of channel frame 9.
As shown in Figure 4, between the backplane channel portion 3 of noseplate 1 and lower longeron 4, front cross rail 47 is bonded to.At this, lower longeron 4 is illustrated in FIG, is formed by with lower part: the interior beam 5 of the Cap-style Section structure opened outside overall width direction; Engage with the upper and lower flange part 22 of interior beam 5 and formed close cross-sectional configuration, to the brace panel 6 of the Cap-style Section shape of overall width direction inside; With the outer panels 7 of the formation vehicle body sidewall from this brace panel 6 of outer side covers.
On noseplate 1, be bonded to left and right the chassis 48 running through front cross rail 47 towards vehicle body fore-and-aft direction.The outside portion of noseplate 1 engages with the bottom wall part of interior beam 5 to upside warpage in midway, noseplate 1 is formed slightly to top at the allocation position of channel frame 9 with heaving, and makes the height of the lower wall 25 of channel frame 9 consistent with the height of common 1a of noseplate 1.Therefore, it is possible to make common the 26a of end cover main body 26 installed in the scope of the lower wall 25 of channel frame 9 and the lower wall 21 of interior beam 5 overlap with common 1a of noseplate 1 and be formed flatly.In addition, this closes the dividing plate (bulkhead) 49 of cross-sectional configuration to be provided with shutoff in the part of closing cross-sectional configuration formed by interior beam 5 and brace panel 6.
And as shown in the long and short dash line in Fig. 5, the plane of bending 50 of common 26a from the front of vehicle body towards rear along upside projection of end cover main body 26 is bent to form.
According to above-mentioned embodiment, due to common the 26a of common the 1a and end cover main body 26 that can make noseplate 1 and road surface close, so cover the air of 20 flowings in being rectified into the state flowing to common 26a of end cover main body 26 from common 1a of noseplate 1 when vehicle travels at the bottom of vehicle body from noseplate 1, when arriving front groove portion 27 and rear groove portion 28, be at trailing wheel RW in the mode along these front groove portions 27 and rear groove portion 28, the state of contracted flow between RW and flow (with reference to the arrow of Fig. 6), can not collide with trailing wheel RW, air resistance can be reduced.Therefore, even if reduce the position of common 26a of end cover main body 26 as the situation making rectifying wings give prominence to towards downside, element due to rectification is front groove portion 27 as groove and rear groove portion 28, so there is not damaged hidden danger yet, the flow velocity of the air flowed between end cover main body 26 and ground can be improved, therefore, it is possible to reduction air resistance.
In addition, when the air-flow of the flowing underneath of common 26a of end cover main body 26 not to be directed in front groove portion 27, rear groove portion 28 but to arrive recess 29, as shown in the arrow of Fig. 7, air-flow is guided by the rear wall 30 of recess 29 and guides to the below of trailing wheel RW, therefore, avoid the front surface of air-flow and trailing wheel RW to collide, inhibit the generation of sinuous flow, thus can air resistance be reduced.Therefore, in this recess 29, in the same manner as front groove portion 27 and rear groove portion 28, compared with the situation of the rectifying wings of giving prominence to towards downside etc. is installed, in the recess 29 more caved in than common 26a, there is not damaged hidden danger yet.
Especially, because common 26a of end cover main body 26 is bent to form in the mode of the plane of bending 50 along upside projection, so the part of deepening relative to degree of depth the past rear, direction on road surface can be formed, thus can wind effect be improved, and can correspondingly make end cover main body 26 and road surface close with depth down and rectification be carried out to air-flow.
And the latter half due to the vehicle body lower surface in the front at trailing wheel RW arranges at the bottom of vehicle body and covers 20, thus with arrange within the scope of whole of the downside at noseplate 1 to cover 20 at the bottom of vehicle body situation compared with, countermeasure can be completed with low cost.
And, because the part of the part except the fixed part except the interior beam 5 to lower longeron 4 namely except the diapire 36 of the recessed portion 35 in front groove portion 27 and the diapire 32 of recess 29 can be reduced to common 1a than noseplate 1 closer to the position on ground, so can improve the flow velocity of air-flow, the reduction effect of air resistance improves.
In addition, the invention is not restricted to above-mentioned embodiment, such as, the installation portion of medial extremity to channel frame 9 of end cover main body 26 is not limited to a place.In addition, the recessed portion 46 in rear groove portion 28 also can be fixed on interior beam 5.In addition, be shaped with also can making front groove portion 27, rear groove portion 28, recess 29 and end cover main body 26 split.
And, although for the situation being provided with cover 20 at the bottom of the vehicle body of pair of right and left across backplane channel portion 3, cover 20,20 at the bottom of the vehicle body of left and right also can be made in the shape also covering bottom, backplane channel portion 3.
As mentioned above, at the bottom of vehicle body of the present invention, cover is, when observing along vehicle forward direction, be configured in the ratio trailing wheel of the vehicle body lower surface of vehicle position closer to the front and be configured at the bottom of the vehicle body of at least latter half of above-mentioned vehicle body lower surface and cover, the face relative with road surface of end cover main body is formed the groove portion of concavity, this groove portion with along with trending towards the rear of above-mentioned vehicle forward direction and close to each other gradually and paired mode configures across overall width direction central authorities, points to above-mentioned overall width direction central authorities between the above-mentioned trailing wheel that left and right is pointed in each rear end in these groove portions.
Industrial applicibility
According to the present invention, can provide at the bottom of a kind of vehicle body and cover, end cover main body can be configured in lower position, and the problem that rectifier cell and road surface interfere can be eliminated.
Description of reference numerals
RW trailing wheel
Cover at the bottom of 20 vehicle bodies
26 end cover main bodys
27 front groove portions (groove portion)
28 rear groove portions (groove portion)
29 recesses
30 rear walls
35,46 recessed portions (concavity portion)
1 noseplate (bottom panel)
36 diapires
32 diapires
4 times longerons

Claims (5)

1. cover at the bottom of a vehicle body, when observing along vehicle forward direction, be configured in the ratio trailing wheel of the vehicle body lower surface of vehicle position closer to the front and be configured at least latter half of described vehicle body lower surface, the feature of covering at the bottom of described vehicle body is,
The face relative with road surface of end cover main body is formed the groove portion of the concavity of in pairs configuration, and described groove portion is configured to, along with trending towards the rear of described vehicle forward direction and close to each other gradually and across overall width direction central authorities in pairs,
Point to described overall width direction central authorities between the described trailing wheel that left and right is pointed in respective rear end, these groove portions.
2. cover at the bottom of vehicle body as claimed in claim 1, is characterized in that, on the face relative with described road surface of cover main body of the described end and the anterior position of taking turns in the rear is formed with recess,
The rear wall of described recess is formed in the mode of the outer peripheral face along described trailing wheel.
3. cover at the bottom of vehicle body as claimed in claim 1, it is characterized in that, cover main body of the described end is bent to form in the mode of upside projection from the front of described vehicle body towards rear.
4. cover at the bottom of vehicle body as claimed in claim 1, it is characterized in that, cover main body of the described end is connected with the smooth bottom panel of first half of described vehicle body lower surface in the front being arranged on described trailing wheel, and is arranged on the latter half of the described vehicle body lower surface in the front of described trailing wheel.
5. cover at the bottom of vehicle body as claimed in claim 1, it is characterized in that, at the described end, the external side end of cover main body is formed with concavity portion, and the diapire in this concavity portion is fixed on as fixed part on the lower longeron of described vehicle.
CN201180067068.6A 2011-02-17 2011-12-14 Cover at the bottom of vehicle body Active CN103370257B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011032413 2011-02-17
JP2011-032413 2011-02-17
PCT/JP2011/078883 WO2012111228A1 (en) 2011-02-17 2011-12-14 Under covers for vehicle body

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CN103370257A CN103370257A (en) 2013-10-23
CN103370257B true CN103370257B (en) 2015-11-25

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JP (1) JP5461715B2 (en)
CN (1) CN103370257B (en)
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MX2013006787A (en) 2013-11-04
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JPWO2012111228A1 (en) 2014-07-03
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US20130278011A1 (en) 2013-10-24
JP5461715B2 (en) 2014-04-02

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